books.google.co.uk - A little over a century ago the world went wireless. Cables and all their limiting inefficiencies gave way to a revolutionary means of transmitting news and information almost everywhere, instantaneously. By means of "Hertzian waves," as radio waves were initially known, ships could now make contact...https://books.google.co.uk/books/about/Marconi.html?id=RqVHDAAAQBAJ&utm_source=gb-gplus-shareMarconi